but it is not rounding off in Ax 2012 GST India.
for GST in Tax document at least we can edit the invoice amount before posting for GST but in purchase order and sale orders in Tax document to rounding off.
are you aware GST India with rounding off tax values?.

Rounding off is not working for GST taxes in Purchase order and sale order.
as you explained regarding Rounding off, its not working for GST automatically, if you are aware please explain where to setup for GST.